Home About Us Price Trend Export Data Pine Chemical Suppliers Pine Chemical Knowledge Products Contact Us
 

The market was relatively stable right after the May day holidays!

Contact person:Kitty Liang
Tel：+86-0771-2610277
+86 13481140850
Fax：+86-0771-2449722
E-mail: st-rosin@hotmail.com


 Knowledge
 

Quality Index of Hydrogenated Rosin (GB/T 14020-2006)
 
2010-03-11   Hits ：3427    songtao business
Item
Extra grade
First grade
Second grade
Appearance
transparent
Color
Color Requirements of STD Glass
Conform to Color Requirements of STD Glass for Rosin
No Deeper than Lovibond Color
Yellow
12
20
30
Red
1.4
2.1
2.5
Acid number (mgKOH/g)≤
162.0
160.0
158.0
Softening point(Ring-and-ball method)℃≥
72.0
71.0
70.0
Ethanol insolubles%≤
0.020
0.030
0.040
Non-saponifiable matter%≤
7.0
8.0
9.0
Abietic acid % ≤
2.00
2.50
3.00
Dehydroabietic acid % ≤
10.0
10.0
15.0
Oxygen absorptivIty % ≤
0.20
0.20
0.30

Friendly Link
 Alex CCCFNA  
About Us    -    Our Services   -    Contact Us   -     Chinese Site   
Copyright © 2008-2010 rosineb.com